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This patch adds support for shutdown/reboot handlers to the MCE
driver.

ATF communicates with mce using nvg interface for shutdown &
reboot. Both shutdown and reboot use the same nvg index.
However, the 1st bit of the nvg data argument differentiates
whether its a shutdown or reboot.

Change-Id: Id2d1b0c4fec55abf69b7f8adb65ca70bfa920e73
Signed-off-by: Vignesh Radhakrishnan <vigneshr@nvidia.com>

This patch adds a new configuration option to the platform makefiles
that disables/enables strict checking mode. The config is enabled
by default.

Change-Id: I727dd0facee88d9517bf6956eaf9163eba25c8bb
Signed-off-by: Steven Kao <skao@nvidia.com>

This patch fixes the violations of Rule 21.1 from all the
header files.

Rule 21.1 "#define and #undef shall not be used on a reserved
           identifier or reserved macro name"
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Change-Id: I12e17a5d7158defd33b03416daab3049749905fc

Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
Change-Id: Iee7fb43990047b27972e99572ec4b3dc4e5c0423

In further patches, we wish to enable -wredundant-decls check as
part of warning flags by default.

Change-Id: I43410d6dbf40361a503c16d94ccf0f4cf29615b7
Signed-off-by: Madhukar Pappireddy <madhukar.pappireddy@arm.com>

The MCE driver's helper functions were using postive values as error
codes.

This patch updates the functions to return negative values as error
codes instead. Some functions are updated to use the right error code.
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Change-Id: I3e2ecc30a6272a357e1a22ec850543fde2a694f6

This patch updates the header, t194_nvg.h, to v6.4. This
gets it in synch with MTS pre-release 2 - cl39748439.

Change-Id: I1093c9f5dea7b7f230b3267c90b54b7f3005ecd7
Signed-off-by: Steven Kao <skao@nvidia.com>

"Strict checking" is a mode where secure world can access
secure-only areas unlike legacy mode where secure world could
access non-secure spaces as well. Secure-only areas are defined
as the TZ-DRAM carveout and any GSC with the CPU_SECURE bit set.
This mode not only helps prevent issues with IO-Coherency but aids
with security as well.

This patch implements the programming sequence required to enable
strict checking mode for Tegra194 SoCs.

Change-Id: Ic2e594f79ec7c5bc1339b509e67c4c62efb9d0c0
Signed-off-by: Dilan Lee <dilee@nvidia.com>

The MCE driver checks the NVG interface version during boot and
disaplys the hardware and software versions on the console. The
software version is being displayed as zero.

This patch updates the prints to use the real NVG header version
instead.

Change-Id: I8e9d2e6c43a59a8a6d5ca7aa8153b940fce86709
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>

This patch does the following:
- cstate_info variable is used to pass on requested cstate to mce
- Currently, cg_cstate is encoded using 2 bits(bits 8, 9) in cstate_info
- cg_cstate values can range from 0 to 7, with 7 representing cg7
- Thus, cg_cstate is to be encoded using 3 bits (val: 0-7)
- Fix this, as per ISS and ensure bits 8, 9, 10 are used

Change-Id: Idff207e2a88b2f4654e4a956c27054bf5e8f69bb
Signed-off-by: Vignesh Radhakrishnan <vigneshr@nvidia.com>

This patch adds the driver, to implement the programming sequence to
save/restore hardware context, during System Suspend/Resume.

Change-Id: If851a81cd4e699b58a0055d0be7f145759792ee9
Signed-off-by: Steven Kao <skao@nvidia.com>
Signed-off-by: Jeff Tsai <jefft@nvidia.com>

Rule 8.4, A compatible declaration shall be visible when an object
  or function with external linkage is defined.

Add function delaration to the header file.
Add suffix U to the unsigned constant define.

Change-Id: I54eba913a5fa38e4fdf3655931dc421d9510c691
Signed-off-by: Anthony Zhou <anzhou@nvidia.com>

This patch cleans up the mce driver files to remove all the unsupported
functionality. The MCE/NVG interface is not restricted to the EL3 space,
so clients can issue commands to the MCE firmware directly.

Change-Id: Idcebc42f31805f9c1abe1c1edc17850151aca11d
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>

Main fixes:

Added explicit casts (e.g. 0U) to integers in order for them to be
  compatible with whatever operation they're used in [Rule 10.1]

Fix variable essential type doesn't match [Rule 10.3]

Added curly braces ({}) around if/while statements in order to
  make them compound [Rule 15.6]

Voided non c-library functions whose return types are not used
  [Rule 17.7]

Change-Id: Iaae2ecaba3caf1469c44910d4e6aed0661597a51
Signed-off-by: Anthony Zhou <anzhou@nvidia.com>

This patch updates t194_nvg.h to v6.1 and does not issue NVG
commands for unsupported platforms.

Change-Id: I506b594a70a3651d01a412ab79b3c8919b1d66f1
Signed-off-by: Steven Kao <skao@nvidia.com>

This patch updates the cache ops to use system registers in
order to trigger cache flush/clean operations.

Change-Id: I888abad22f22b8a33c7193b991fad8c4a78030d0
Signed-off-by: Steven Kao <skao@nvidia.com>

This patch adds proper checks for the cpu c-stats. It checks both
cpu id and stat id before sending the nvg request to ccplex.

Change-Id: I732957d1e10d6ce6cffb2c6f5963ca614aadd948
Signed-off-by: Krishna Sitaraman <ksitaraman@nvidia.com>

This patch changes direct writes to ACTLR_ELx registers to use
read-modify-write instead.

Change-Id: I536dce75c01356ce054dd2edee80875e56164439
Signed-off-by: Steven Kao <skao@nvidia.com>

This patch adds platform support for the Memory Controller and
SMMU drivers, for the Tegra194 SoC.

Change-Id: Id8b482de70f1f93bedbca8d124575c39b469927f
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>

To fix MISRA defects, remove union in t186 MCE drivers
this driver should compatible with that.

Change-Id: I09e96a1874dd86626c7e41c92a1484a84e387402
Signed-off-by: Anthony Zhou <anzhou@nvidia.com>

Dont run MCE firmware on pre-silicon emulation platforms

Change-Id: I2a8d653e46f494621580ca92271a18e62f648859
Signed-off-by: Rohit Khanna <rokhanna@nvidia.com>

GPU, MPCORE and PTC clients are changed and not going through SMMU.
Removing it from streamid list.

Change-Id: I14b450a11f02ad6c1a97e67e487d6d624911d019
Signed-off-by: Pritesh Raithatha <praithatha@nvidia.com>

This patch enable MCE driver for T19x SoC. The MCE driver
takes care of the communication with the MCE firmware to
achieve:

- Cold boot
- Warm boot
- Core/Cluster/System Power management
- Custom MCE requests

Change-Id: I75854c0b649a691e9b244d9ed9fc1c19743e3e8d
Signed-off-by: Steven Kao <skao@nvidia.com>

This patch adds support for all three SMMU devices present on the SoC.

The following changes have been done:
    Add SMMU devices to the memory map
    Update register read and write functions

Change-Id: I0007b496d2ae7264f4fa9f605d4b0a15fa747a0f
Signed-off-by: Pritesh Raithatha <praithatha@nvidia.com>

Define mc sid and txn override regs and sec cfgs.
Create array for mc sid override regs and sec config that is
used to initialize mc.
Add smmu ctx regs array to hold register values during suspend.

Change-Id: I7b265710a9ec2be7dea050058bce65c614772c78
Signed-off-by: Pritesh Raithatha <praithatha@nvidia.com>

This patch creates the base commit for the Tegra194 platform, from
Tegra186 code base.

Change-Id: I1c77e4984f7ff39655f3fb79633d13d533707ede
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>